19280574

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 43655040

約数和(自身を除く): 24374466

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 279, 317, 327, 558, 634, 654, 951, 981, 1902, 1962, 2853, 3379, 5706, 6758, 9827, 10137, 19654, 20274, 29481, 30411, 34553, 58962, 60822, 69106, 88443, 103659, 176886, 207318, 310977, 621954, 1071143, 2142286, 3213429, 6426858, 9640287, 19280574]

約数ペア:

[(1, 19280574), (2, 9640287), (3, 6426858), (6, 3213429), (9, 2142286), (18, 1071143), (31, 621954), (62, 310977), (93, 207318), (109, 176886), (186, 103659), (218, 88443), (279, 69106), (317, 60822), (327, 58962), (558, 34553), (634, 30411), (654, 29481), (951, 20274), (981, 19654), (1902, 10137), (1962, 9827), (2853, 6758), (3379, 5706)]